File:Black Holes - Monsters in Space.jpg
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[edit]DescriptionBlack Holes - Monsters in Space.jpg |
English: This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies. (Smaller black holes also exist throughout galaxies.) In this illustration, the supermassive black hole at the center is surrounded by matter flowing onto the black hole in what is termed an accretion disk. This disk forms as the dust and gas in the galaxy falls onto the hole, attracted by its gravity.
Also shown is an outflowing jet of energetic particles, believed to be powered by the black hole's spin. The regions near black holes contain compact sources of high energy X-ray radiation thought, in some scenarios, to originate from the base of these jets. This high energy X-radiation lights up the disk, which reflects it, making the disk a source of X-rays. The reflected light enables astronomers to see how fast matter is swirling in the inner region of the disk, and ultimately to measure the black hole's spin rate. |
Date | |
Source | http://www.nasa.gov/mission_pages/nustar/multimedia/pia16695.html |
Author | NASA/JPL-Caltech |
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[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 10:18, 28 February 2013 | 4,400 × 2,475 (955 KB) | Stas1995 (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Synthetic Camera |
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Camera model | Perspective Camera |
Exposure time | 0/1 sec (0) |
Date and time of data generation | 16:44, 21 February 2013 |
Lens focal length | 33.75 mm |
Width | 5,120 px |
Height | 2,880 px |
Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 4 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Macintosh) |
File change date and time | 15:10, 22 February 2013 |
Exposure Program | Manual |
Date and time of digitizing | 16:44, 21 February 2013 |
Color space | sRGB |
Focal plane X resolution | 1,920 |
Focal plane Y resolution | 1,920 |
Focal plane resolution unit | 3 |
Date metadata was last modified | 07:10, 22 February 2013 |
Unique ID of original document | xmp.did:281F26DD46206811822A9ACE7196F718 |